mediatek: filogic: add support for Cudy RE3000 v1

MT7981B /256MB /16MB SPI (XM25QH128C)
AX 2.4Ghz
AX 5Ghz 160Mhz wide
1Gbit LAN

OEM:
root@RE3000:~# ifconfig |grep HWaddr
br-lan    Link encap:Ethernet  HWaddr 80:XX:XX:08:XX:X0 (label)
br-wan    Link encap:Ethernet  HWaddr 80:XX:XX:08:XX:X0
eth0      Link encap:Ethernet  HWaddr 80:XX:XX:08:XX:X0
ra0       Link encap:Ethernet  HWaddr 80:XX:XX:08:XX:X0
ra2       Link encap:Ethernet  HWaddr 82:XX:XX:28:XX:X0
rax0      Link encap:Ethernet  HWaddr 82:XX:XX:38:XX:X0
rax2      Link encap:Ethernet  HWaddr 82:XX:XX:58:XX:X0

OpenWrt
root@OpenWrt:/# ifconfig |grep HW
br-lan    Link encap:Ethernet  HWaddr 80:XX:XX:08:XX:X0
eth0      Link encap:Ethernet  HWaddr 80:XX:XX:08:XX:X0
phy0-ap0  Link encap:Ethernet  HWaddr 80:XX:XX:08:XX:X0
phy1-ap0  Link encap:Ethernet  HWaddr 82:XX:XX:08:XX:X1

 tftp Installation via u-boot:

Connect TTL3.3V converter
connector is under the radiator Set speed 115200 8 N 1
Interrupt boot process by holding down-arrow key during boot then
>> 6. Load image
>> 0 - TFTP client (Default)
enter IP adresses and initramfs-kernel.bin

write to flash via sysupgrade or gui

Signed-off-by: Robert Senderek <robert.senderek@10g.pl>
(cherry picked from commit e8f75973172749874afa13e4f746acd8cb515de2)

target/linux/mediatek/base-files/lib/preinit/05_set_preinit_iface

@@ -4,6 +4,7 @@ set_preinit_iface() {
 		ip link set eth1 up
 		ifname=eth1
 		;;
+	cudy,re3000-v1|\
 	ubnt,unifi-6-lr|\
 	zyxel,nwa50ax-pro)
 		ip link set eth0 up

target/linux/mediatek/dts/mt7981b-cudy-re3000-v1.dts

+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+
+/dts-v1/;
+
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+#include "mt7981.dtsi"
+
+/ {
+	model = "Cudy RE3000 v1";
+	compatible = "cudy,re3000-v1", "mediatek,mt7981";
+
+	aliases {
+		serial0 = &uart0;
+		label-mac-device = &gmac1;
+		led-boot = &led_status;
+		led-failsafe = &led_status;
+		led-running = &led_status;
+		led-upgrade = &led_status;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		reset {
+			label = "reset";
+			linux,code = <KEY_RESTART>;
+			gpios = <&pio 1 GPIO_ACTIVE_LOW>;
+		};
+
+		wps {
+			label = "wps";
+			linux,code = <KEY_WPS_BUTTON>;
+			gpios = <&pio 0 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+
+		led_status: led@0 {
+			function = LED_FUNCTION_STATUS;
+			color = <LED_COLOR_ID_WHITE>;
+			gpios = <&pio 10 GPIO_ACTIVE_LOW>;
+		};
+
+		led@1 {
+			label = "red:wifi5";
+			gpios = <&pio 7 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "phy1tpt";
+		};
+
+		led@2 {
+			label = "white:wifi2";
+			gpios = <&pio 6 GPIO_ACTIVE_LOW>;
+			linux,default-trigger = "phy0tpt";
+		};
+
+		led@3 {
+			function = LED_FUNCTION_LAN;
+			color = <LED_COLOR_ID_GREEN>;
+			gpios = <&pio 9 GPIO_ACTIVE_LOW>;
+		};
+
+		led@4 {
+			function = LED_FUNCTION_WPS;
+			color = <LED_COLOR_ID_WHITE>;
+			gpios = <&pio 11 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&watchdog {
+	status = "okay";
+};
+
+&eth {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mdio_pins>;
+	status = "okay";
+
+	gmac1: mac@1 {
+		compatible = "mediatek,eth-mac";
+		reg = <1>;
+		phy-mode = "gmii";
+		phy-handle = <&int_gbe_phy>;
+		nvmem-cell-names = "mac-address";
+		nvmem-cells = <&macaddr_bdinfo_de00 0>;
+	};
+};
+
+&mdio_bus {
+	switch: switch@1f {
+		compatible = "mediatek,mt7531";
+		reg = <31>;
+		reset-gpios = <&pio 39 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&spi0 {
+	status = "disabled";
+};
+
+&spi2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi2_flash_pins>;
+	status = "okay";
+
+	flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		compatible = "jedec,spi-nor";
+		reg = <0>;
+
+		spi-max-frequency = <25000000>;
+		spi-tx-bus-width = <4>;
+		spi-rx-bus-width = <4>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@00000 {
+				label = "BL2";
+				reg = <0x00000 0x40000>;
+				read-only;
+			};
+
+			partition@40000 {
+				label = "u-boot-env";
+				reg = <0x40000 0x10000>;
+				read-only;
+			};
+
+			factory: partition@50000 {
+				label = "Factory";
+				reg = <0x50000 0x10000>;
+				read-only;
+				
+				nvmem-layout {
+					compatible = "fixed-layout";
+					#address-cells = <1>;
+					#size-cells = <1>;
+
+					eeprom_factory_0: eeprom@0 {
+						reg = <0x0 0x1000>;
+					};
+				};
+			};
+
+			bdinfo: partition@60000 {
+				label = "bdinfo";
+				reg = <0x60000 0x10000>;
+				read-only;
+
+				nvmem-layout {
+					compatible = "fixed-layout";
+					#address-cells = <1>;
+					#size-cells = <1>;
+
+					macaddr_bdinfo_de00: macaddr@de00 {
+						compatible = "mac-base";
+						reg = <0xde00 0x6>;
+						#nvmem-cell-cells = <1>;
+					};
+				};
+			};
+
+			partition@70000 {
+				label = "FIP";
+				reg = <0x70000 0x80000>;
+				read-only;
+			};
+
+			partition@f0000 {
+				compatible = "denx,fit";
+				label = "firmware";
+				reg = <0xf0000 0xf10000>;
+			};
+		};
+	};
+};
+
+&pio {
+	spi2_flash_pins: spi2-pins {
+		mux {
+			function = "spi";
+			groups = "spi2", "spi2_wp_hold";
+		};
+
+		conf-pu {
+			pins = "SPI2_CS", "SPI2_HOLD", "SPI2_WP";
+			drive-strength = <8>;
+			bias-pull-up = <103>;
+		};
+
+		conf-pd {
+			pins = "SPI2_CLK", "SPI2_MOSI", "SPI2_MISO";
+			drive-strength = <8>;
+			bias-pull-down = <103>;
+		};
+	};
+};
+
+&wifi {
+	status = "okay";
+	nvmem-cells = <&eeprom_factory_0>;
+	nvmem-cell-names = "eeprom";
+};

target/linux/mediatek/filogic/base-files/etc/board.d/01_leds

@@ -12,6 +12,9 @@ confiabits,mt7981)
 	ucidef_set_led_netdev "lan3" "lan3" "blue:lan-3" "lan3" "link tx rx"
 	ucidef_set_led_netdev "wan" "wan" "blue:wan" "wan" "link tx rx"
 	;;
+cudy,re3000-v1)
+	ucidef_set_led_netdev "lan" "lan" "green:lan" "eth0" "link tx rx"
+	;;
 cudy,wr3000-v1)
 	ucidef_set_led_netdev "wan" "wan" "blue:wan" "wan"
 	;;

target/linux/mediatek/filogic/base-files/etc/board.d/02_network

@@ -58,6 +58,7 @@ mediatek_setup_interfaces()
 	mercusys,mr90x-v1)
 		ucidef_set_interfaces_lan_wan "lan0 lan1 lan2" eth1
 		;;
+	cudy,re3000-v1|\
 	netgear,wax220|\
 	ubnt,unifi-6-plus|\
 	zyxel,nwa50ax-pro)

target/linux/mediatek/filogic/base-files/etc/hotplug.d/ieee80211/11_fix_wifi_mac

@@ -57,6 +57,11 @@ case "$board" in
 		esac
 		[ "$PHYNBR" = "1" ] && echo "$addr" > /sys${DEVPATH}/macaddress
 		;;
+	cudy,re3000-v1)
+		addr=$(mtd_get_mac_binary bdinfo 0xde00)
+		[ "$PHYNBR" = "0" ] && echo "$addr" > /sys${DEVPATH}/macaddress
+		[ "$PHYNBR" = "1" ] && macaddr_setbit_la $(macaddr_add $addr 1) > /sys${DEVPATH}/macaddress
+		;;
 	cudy,wr3000-v1)
 		addr=$(mtd_get_mac_binary bdinfo 0xde00)
 		# Originally, phy0 is phy1 mac with LA bit set. However, this would conflict

target/linux/mediatek/filogic/base-files/lib/upgrade/platform.sh

@@ -106,7 +106,8 @@ platform_do_upgrade() {
 			;;
 		esac
 		;;
-	cudy,wr3000-v1)
+	cudy,wr3000-v1|\
+	cudy,re3000-v1)
 		default_do_upgrade "$1"
 		;;
 	glinet,gl-mt6000)

target/linux/mediatek/image/filogic.mk

@@ -298,6 +298,25 @@ define Device/confiabits_mt7981
 endef
 TARGET_DEVICES += confiabits_mt7981
 
+define Device/cudy_re3000-v1
+  DEVICE_VENDOR := Cudy
+  DEVICE_MODEL := RE3000
+  DEVICE_VARIANT := v1
+  DEVICE_DTS := mt7981b-cudy-re3000-v1
+  DEVICE_DTS_DIR := ../dts
+  DEVICE_DTS_LOADADDR := 0x47000000
+  IMAGES := sysupgrade.bin
+  IMAGE_SIZE := 15424k
+  SUPPORTED_DEVICES += R36
+  KERNEL := kernel-bin | lzma | \
+	fit lzma $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb
+  KERNEL_INITRAMFS := kernel-bin | lzma | \
+	fit lzma $$(KDIR)/image-$$(firstword $$(DEVICE_DTS)).dtb with-initrd | pad-to 64k
+  IMAGE/sysupgrade.bin := append-kernel | pad-to 128k | append-rootfs | pad-rootfs | check-size | append-metadata
+  DEVICE_PACKAGES := kmod-mt7981-firmware mt7981-wo-firmware
+endef
+TARGET_DEVICES += cudy_re3000-v1
+
 define Device/cudy_wr3000-v1
   DEVICE_VENDOR := Cudy
   DEVICE_MODEL := WR3000